Folding bicycle



FIG. 1 is a top, front and left perspective view of a folding bicycle in an unfolded position;

FIG. 2 is a top, rear and left perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is top plan view thereof;

FIG. 9 is a top, front and left perspective view thereof in a folded position;

FIG. 10 is a top, rear and left perspective view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a left elevational view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a right elevational view thereof; and,

FIG. 16 is a top plan view thereof. 

CLAIM The ornamental design for a folding bicycle, as shown and described. 